The hex color #ffbd3d is a light color. The web-safe version is Hex
#FFCC33. A complementary color is
#0042C2. The grayscale version is
#A8A8A8. A 20% lighter version of the original color is
#FFF070, and Hex
#CC8A0A is the 20% darker color. If the color is saturated by 10%, you get
#FFBF32. If the color is desaturated by 10%, the color
#F6BB48 is obtained.